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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.363 by root, Mon Sep 10 17:24:36 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
53		88
54	our %CFG;	89	our %CFG;
55		90
56	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	92	our $RUNTIME;
58		93
59	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		97
67	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
70	binmode STDOUT;	105	binmode STDOUT;
71	binmode STDERR;	106	binmode STDERR;
72		107
73	# read virtual server time, if available	108	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
78	}	113	}
79		114
80	mkdir cf::localdir;	115	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		117
86	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
87		119
88	sub cf::map::normalise;	120	sub cf::map::normalise;
89		121
…		…
100	=item $cf::RUNTIME	132	=item $cf::RUNTIME
101		133
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	135	every server tick.
104		136
105	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		140
107	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
109		145
110	=item $cf::NOW	146	=item $cf::NOW
111		147
112	The time of the last (current) server tick.	148	The time of the last (current) server tick.
113		149
114	=item $cf::TICK	150	=item $cf::TICK
115		151
116	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
117		163
118	=item %cf::CFG	164	=item %cf::CFG
119		165
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	167	from wherever your confdir points to.
122		168
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		170
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
129		180
130	=back	181	=back
131		182
132	=cut	183	=cut
133		184
134	BEGIN {	185	BEGIN {
135	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	187	my $msg = join "", @_;
137	utf8::encode $msg;
138		188
139	$msg .= "\n"	189	$msg .= "\n"
140	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		193
142	LOG llevError, $msg;	194	LOG llevError, $msg;
143	};	195	};
144	}	196	}
145		197
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		205
153	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	207	# within the Safe compartment.
155	for my $pkg (qw(	208	for my $pkg (qw(
156	cf::global cf::attachable	209	cf::global cf::attachable
…		…
164	}	217	}
165		218
166	$Event::DIED = sub {	219	$Event::DIED = sub {
167	warn "error in event callback: @_";	220	warn "error in event callback: @_";
168	};	221	};
		222
		223	#############################################################################
169		224
170	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
171		226
172	=over 4	227	=over 4
173		228
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	248	$d
194	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
195	}	250	}
196		251
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
200		253
201	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
202		255
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
211		257
212	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
213		259
214	=cut	260	=cut
215		261
216	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
218	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
220		266
221	=item cf::lock_wait $string	267	=item cf::lock_wait $string
222		268
223	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
224		270
…		…
227	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
230	returned.	276	returned.
231		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
232	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
234		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
235	=cut	288	=cut
236		289
237	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
238		292
239	sub lock_wait($) {	293	sub lock_wait($) {
240	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
241		300
242	# wait for lock, if any	301	# wait for lock, if any
243	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	304	Coro::schedule;
…		…
251		310
252	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
253	lock_wait $key;	312	lock_wait $key;
254		313
255	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
256		316
257	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
260	}	321	}
261	}	322	}
262		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
263	sub freeze_mainloop {	330	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
265		332
266	my $guard = Coro::guard {	333	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	335	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
272	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
273	}	394	}
274		395
275	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
276		397
277	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		403
283	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
284		405
285	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
286		407
287	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
290		412
291	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
294	fast or be very important.	416	fast or be very important.
…		…
297		419
298	sub sync_job(&) {	420	sub sync_job(&) {
299	my ($job) = @_;	421	my ($job) = @_;
300		422
301	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
302	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
304		428
305	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
317		441
318	while ($busy) {	442	while ($busy) {
319	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
320	}	444	}
321		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
322	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
323	} else {	454	} else {
324	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
325		456
326	$job->()	457	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
346		477
347	$coro	478	$coro
348	}	479	}
349		480
350	sub write_runtime {	481	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		482
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
354	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
355		487
356	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		489
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
361	and return;	491	my ($cb, @args) = @_;
362		492
363	aio_fsync $fh	493	# we seemingly have to make a local copy of the whole thing,
364	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
365		496
366	close $fh	497	my @res = Coro::Util::fork_eval {
367	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
368		501
369	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
370	and return;	503	}
371		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
372	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	641	}
374		642
375	=back	643	=back
376		644
377	=cut	645	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
386		654
387	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	657	Crossfire TRT).
390		658
391	=over 4	659	=over 4
392		660
393	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
394		662
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
558		826
559	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		831
564	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	833	my $pkg = shift @arg;
566		834
567	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
597	}	865	}
598		866
599	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
600	} else {	868	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	870	}
603		871
604	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
605	}	873	}
606		874
…		…
608	if (ref $_[0]) {	876	if (ref $_[0]) {
609	_object_attach @_;	877	_object_attach @_;
610	} else {	878	} else {
611	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
612	}	880	}
		881	_recalc_want;
613	};	882	};
614		883
615	# all those should be optimised	884	# all those should be optimised
616	sub cf::attachable::detach {	885	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
621	reattach ($obj);	890	reattach ($obj);
622	} else {	891	} else {
623	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
624	}	893	}
		894	_recalc_want;
625	};	895	};
626		896
627	sub cf::attachable::attached {	897	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
629		899
…		…
644	";	914	";
645	die if $@;	915	die if $@;
646	}	916	}
647		917
648	our $override;	918	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		920
651	sub override {	921	sub override {
652	$override = 1;	922	$override = 1;
653	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
654	}	924	}
655		925
656	sub do_invoke {	926	sub do_invoke {
657	my $event = shift;	927	my $event = shift;
658	my $callbacks = shift;	928	my $callbacks = shift;
659		929
660	@invoke_results = ();	930	@INVOKE_RESULTS = ();
661		931
662	local $override;	932	local $override;
663		933
664	for (@$callbacks) {	934	for (@$callbacks) {
665	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
682		952
683	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
684		954
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		958
689	=back	959	=back
690		960
691	=cut	961	=cut
692		962
693	#############################################################################	963	#############################################################################
694	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
695		976
696	sub reattach {	977	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	979	my ($obj) = @_;
699		980
…		…
744	);	1025	);
745		1026
746	sub object_freezer_save {	1027	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
748		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
749	sync_job {	1032	sync_job {
750	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
753		1037
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1042	close $fh;
759		1043
760	if (@$objs) {	1044	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1050	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
768	}	1052	}
769	} else {	1053	} else {
770	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
776	}	1060	}
777	} else {	1061	} else {
778	aio_unlink $filename;	1062	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
780	}	1064	}
781	}	1065	};
		1066
		1067	undef $guard;
782	}	1068	}
783		1069
784	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
786		1072
…		…
791		1077
792	sub object_thawer_load {	1078	sub object_thawer_load {
793	my ($filename) = @_;	1079	my ($filename) = @_;
794		1080
795	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
796		1084
797	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
798	or return;	1086	or return;
799		1087
800	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
802	or return;	1090	or return;
		1091
		1092	undef $guard;
803	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1094	}
805		1095
		1096	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
808	return ($data, $av);	1100	($data, $av)
809	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
810		1108
811	#############################################################################	1109	#############################################################################
812	# command handling &c	1110	# command handling &c
813		1111
814	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1126	}
829		1127
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1129
832	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
833		1135
834	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
835	called.	1137	called.
836		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
837	=cut	1150	=cut
838		1151
839	sub register_extcmd {	1152	sub register_extcmd {
840	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
841		1154
842	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
843	}	1162	}
844		1163
845	cf::player->attach (	1164	cf::player->attach (
846	on_command => sub {	1165	on_command => sub {
847	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1175	cf::override;
857	},	1176	},
858	on_extcmd => sub {	1177	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
860		1179
861	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1181
863	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
869	} else {	1197	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1199	}
872		1200
873	cf::override;	1201	cf::override;
874	},	1202	},
875	);	1203	);
876		1204
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
912	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1210	next unless -r $path;
914	eval {	1211
915	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
916	1	1269	}
917	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
918	}	1275	};
919	}	1276	}
920		1277
921	#############################################################################	1278	#############################################################################
922		1279
		1280	=back
		1281
923	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
924		1283
925	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
926		1285
927	=cut	1286	=cut
…		…
932		1291
933	=head3 cf::player	1292	=head3 cf::player
934		1293
935	=over 4	1294	=over 4
936		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
937	=item cf::player::find $login	1310	=item cf::player::find $login
938		1311
939	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
940		1313
941	=cut	1314	=cut
942		1315
943	sub playerdir($) {	1316	sub playerdir($) {
944	cf::localdir	1317	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1319	}
950		1320
951	sub path($) {	1321	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1323
954	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
955	}	1325	}
956		1326
957	sub find_active($) {	1327	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1342	my $login = $_[0];
973		1343
974	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
975		1345
976	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
978	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
980	}	1363	}
981	}	1364	}
982	}	1365	}
983		1366
…		…
993		1376
994	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
996		1379
997	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
998	Coro::cede;	1381	cf::cede_to_tick;
999	}	1382	}
1000		1383
1001	sub new($) {	1384	sub new($) {
1002	my ($login) = @_;	1385	my ($login) = @_;
1003		1386
…		…
1009	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1010		1393
1011	$self	1394	$self
1012	}	1395	}
1013		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1014	=item $pl->quit_character	1407	=item $pl->quit_character
1015		1408
1016	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1018		1411
1019	=cut	1412	=cut
1020		1413
1021	sub quit_character {	1414	sub quit_character {
1022	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1023		1418
1024	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1421
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1037	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1038	}	1453	}
1039		1454
1040	=item cf::player::list_logins	1455	=item cf::player::list_logins
1041		1456
1042	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1044		1459
1045	=cut	1460	=cut
1046		1461
1047	sub list_logins {	1462	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1464	or return [];
1050		1465
1051	my @logins;	1466	my @logins;
1052		1467
1053	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1057		1477
1058	utf8::decode $login;	1478	utf8::decode $login;
1059	push @logins, $login;	1479	push @logins, $login;
1060	}	1480	}
1061		1481
…		…
1069		1489
1070	=cut	1490	=cut
1071		1491
1072	sub maps($) {	1492	sub maps($) {
1073	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1496
1075	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1076	or return;	1498	or return;
1077		1499
1078	my @paths;	1500	my @paths;
…		…
1080	for (@$files) {	1502	for (@$files) {
1081	utf8::decode $_;	1503	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1084		1506
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1507	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1508	}
1087		1509
1088	\@paths	1510	\@paths
1089	}	1511	}
1090		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1092		1565
1093	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1094		1567
1095	=cut	1568	=cut
1096		1569
1097	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1099		1572
1100	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1574	}
1104		1575
1105	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1106		1616
1107	=back	1617	=back
1108
1109		1618
1110	=head3 cf::map	1619	=head3 cf::map
1111		1620
1112	=over 4	1621	=over 4
1113		1622
…		…
1168	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1169		1678
1170	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1171	local $self->{path};	1680	local $self->{path};
1172	local $self->{load_path};	1681	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1682
1176	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1177	}	1684	}
1178		1685
1179	sub normalise {	1686	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1227	return $self;	1734	return $self;
1228	}	1735	}
1229	}	1736	}
1230		1737
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1739	()
1233	}	1740	}
1234		1741
1235	sub init {	1742	sub init {
1236	my ($self) = @_;	1743	my ($self) = @_;
…		…
1251		1758
1252	# the original (read-only) location	1759	# the original (read-only) location
1253	sub load_path {	1760	sub load_path {
1254	my ($self) = @_;	1761	my ($self) = @_;
1255		1762
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1257	}	1764	}
1258		1765
1259	# the temporary/swap location	1766	# the temporary/swap location
1260	sub save_path {	1767	sub save_path {
1261	my ($self) = @_;	1768	my ($self) = @_;
1262		1769
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1265	}	1772	}
1266		1773
1267	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1268	sub uniq_path {	1775	sub uniq_path {
1269	my ($self) = @_;	1776	my ($self) = @_;
1270		1777
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1273	}	1780	}
1274		1781
1275	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1276	# all maps in C++...	1783	# all maps in C++...
1277	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1279		1786
1280	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1282	}	1789	}
1283		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1284	sub unlink_save {	1799	sub unlink_save {
1285	my ($self) = @_;	1800	my ($self) = @_;
1286		1801
1287	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1806
1292	sub load_header_from($) {	1807	sub load_header_from($) {
1293	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1294		1809
1295	utf8::encode $path;	1810	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1297	or return;	1812	or return;
1298		1813
1299	$self->_load_header ($path)	1814	$self->_load_header ($f)
1300	or return;	1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1301		1819
1302	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1303		1821
1304	1	1822	1
1305	}	1823	}
…		…
1344	$self->load_header_orig	1862	$self->load_header_orig
1345	or return;	1863	or return;
1346	$self->prepare_orig;	1864	$self->prepare_orig;
1347	}	1865	}
1348		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1349	1	1873	1
1350	}	1874	}
1351		1875
1352	sub find;	1876	sub find;
1353	sub find {	1877	sub find {
1354	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1355		1879
1356	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1357		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1359		1884
1360	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1362	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1363	or return;	1890	or return;
1364		1891
1365	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1366		1893
1367	$map->load_header	1894	$map->load_header
1368	or return;	1895	or return;
1369		1896
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1373	$map->reset;	1902	$map->reset;
1374	undef $guard;
1375	return find $path;	1903	return find $path;
1376	}	1904	}
1377		1905
1378	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1379	}	1907	}
…		…
1386	my ($self) = @_;	1914	my ($self) = @_;
1387		1915
1388	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1389		1917
1390	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1392		1922
		1923	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1925
1395	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1396		1927
1397	$self->alloc;	1928	$self->alloc;
1398		1929
1399	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1400		1932
1401	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1402	or return;	1936	or return;
1403		1937
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1939	if delete $self->{load_original};
1406		1940
1407	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1942	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	1945	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1412	}	1949	}
1413	}	1950	}
1414		1951
1415	Coro::cede;	1952	$f->resolve_delayed_derefs;
1416		1953
		1954	cf::cede_to_tick;
1417	# now do the right thing for maps	1955	# now do the right thing for maps
1418	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1958	unless $self->difficulty;
1428	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1429	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1975	}
1431		1976
1432	$self->post_load;	1977	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1978	}
1436		1979
1437	sub customise_for {	1980	sub customise_for {
1438	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1439		1982
1440	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1984	if $self->per_player;
1442		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1443	$self	1989	$self
1444	}	1990	}
1445		1991
1446	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1993	sub load_neighbours {
1448	my ($map) = @_;	1994	my ($map) = @_;
1449		1995
1450	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1451		1997
1452	for (0 .. 3) {	1998	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1454	or next;	2000	or next;
1455	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1456	or next;	2002	or next;
1457	$neigh->load;	2003	$neigh->load;
1458		2004
		2005	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2008	}
1462		2009
1463	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1465	or next;	2013	or next;
1466	$neigh->load;	2014	$neigh->load;
1467	}	2015	}
1468	}	2016	}
1469		2017
…		…
1474	}	2022	}
1475		2023
1476	sub do_load_sync {	2024	sub do_load_sync {
1477	my ($map) = @_;	2025	my ($map) = @_;
1478		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1479	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1480	}	2031	}
1481		2032
1482	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1484		2035
1485	sub find_async {	2036	sub find_async {
1486	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1487		2038
1488	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1489		2040
1490	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2043	}
1493		2044
1494	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1495	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2050	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2051	$map->load if $v;
		2052	}
1501		2053
1502	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1503	}	2055	}
1504	}	2056	}
1505	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1506	};	2058	};
1507	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2062	}
1511		2063
1512	sub save {	2064	sub save {
1513	my ($self) = @_;	2065	my ($self) = @_;
1514		2066
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2068
1517	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1518		2070
1519	return unless $self->dirty;	2071	return unless $self->dirty;
1520		2072
…		…
1543	my ($self) = @_;	2095	my ($self) = @_;
1544		2096
1545	# save first because save cedes	2097	# save first because save cedes
1546	$self->save;	2098	$self->save;
1547		2099
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2101
1550	return if $self->players;	2102	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2104	return if $self->{deny_save};
1553		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2110	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2111	}
1557		2112
1558	sub reset_at {	2113	sub reset_at {
1559	my ($self) = @_;	2114	my ($self) = @_;
1560		2115
1561	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1564		2118
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2121
…		…
1578	my ($self) = @_;	2132	my ($self) = @_;
1579		2133
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2135
1582	return if $self->players;	2136	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2137
1585	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1586		2149
1587	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1588		2151
1589	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2154	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2155
1594	$self->unlink_save;	2156	$self->unlink_save;
1595	$self->destroy;	2157	$self->destroy;
1596	}	2158	}
1597		2159
1598	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1599		2161
1600	sub nuke {	2162	sub nuke {
1601	my ($self) = @_;	2163	my ($self) = @_;
1602		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1603	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1604		2169
1605	$self->unlink_save;	2170	$self->unlink_save;
1606		2171
1607	bless $self, "cf::map";	2172	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2177
1613	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1614		2180
1615	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1616	}	2218	}
1617		2219
1618	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1619		2221
1620	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2223	instantiated unique items. May block.
1622		2224
1623	=cut	2225	=cut
1624		2226
1625	sub unique_maps() {	2227	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1627	or return;	2229	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2230	utf8::decode $_;
1633	next if /\.pst$/;	2231	/\.map$/
1634	next unless /^$PATH_SEP/o;	2232	? normalise $_
1635		2233	: ()
1636	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2235	]
1638
1639	\@paths
1640	}	2236	}
1641		2237
1642	package cf;	2238	package cf;
1643		2239
1644	=back	2240	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1663	}	2259	}
1664		2260
1665	sub inv_recursive {	2261	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1667	}	2294	}
1668		2295
1669	package cf;	2296	package cf;
1670		2297
1671	=back	2298	=back
…		…
1690		2317
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2319
1693	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1695	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1698	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1699	}	2345	}
1700		2346
1701	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1702		2348
1703	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1751		2397
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2399
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1756		2402
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2404	}
1759		2405
1760	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1762		2410
1763	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1764		2412
1765	unless ($map) {	2413	unless ($map) {
1766	# restore original map position	2414	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1783		2431
1784	$map->load;	2432	$map->load;
1785	$map->load_diag;	2433	$map->load_neighbours;
1786		2434
1787	return unless $self->contr->active;	2435	return unless $self->contr->active;
1788	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1790	}	2440	}
1791		2441
1792	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2443
1796	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1800	};	2448	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2449
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1827		2453
1828	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2459
1831	$self->enter_link;	2460	$self->enter_link;
1832		2461
1833	(async {	2462	(async {
1834	my $map = eval {	2463	my $map = eval {
1835	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
		2468	$map = $check->($map) if $check && $map;
		2469	} else {
		2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472
1837	$map	2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2479	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1842	})->prio (1);	2487	})->prio (1);
1843	}	2488	}
1844		2489
1845	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1846		2491
…		…
1885		2530
1886	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1887		2532
1888	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2535	my $meta = "$RANDOMDIR/$md5.meta";
1891		2536
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2538	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2539	undef $fh;
1895	aio_rename "$meta~", $meta;	2540	aio_rename "$meta~", $meta;
…		…
1904		2549
1905	return unless $self->type == cf::PLAYER;	2550	return unless $self->type == cf::PLAYER;
1906		2551
1907	if ($exit->slaying eq "/!") {	2552	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2554	# the problem is that $exit might not survive long enough
		2555	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2556	cf::sync_job { prepare_random_map $exit };
1910	}	2557	}
1911		2558
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
1915		2562
1916	$self->enter_link;	2563	$self->enter_link;
		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
1917		2568
1918	(async {	2569	(async {
1919	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2571	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
1922		2573
1923	1;	2574	1;
1924	}) {	2575	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2576	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2577	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2578	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2579	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2580
1930	warn "ERROR in enter_exit: $@";	2581	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2582	$self->leave_link;
1932	}	2583	}
1933	})->prio (1);	2584	})->prio (1);
…		…
1946		2597
1947	sub cf::client::send_drawinfo {	2598	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2599	my ($self, $text, $flags) = @_;
1949		2600
1950	utf8::encode $text;	2601	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2603	}
1953		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
		2686	=item $client->ext_msg ($type, @msg)
		2687
		2688	Sends an ext event to the client.
		2689
		2690	=cut
		2691
		2692	sub cf::client::ext_msg($$@) {
		2693	my ($self, $type, @msg) = @_;
		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
		2698	push @msg, msgtype => "event_$type";
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
		2719	}
1954		2720
1955	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
1956		2722
1957	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2726
1961	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2728	become reliable at some point in the future.
1963		2729
1964	=cut	2730	=cut
1965		2731
1966	sub cf::client::query {	2732	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2741	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2743
1978	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
1980	}	2748	}
1981		2749
1982	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
1983	on_reply => sub {	2756	on_reply => sub {
1984	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
1985		2758
1986	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
1987	# get handled first	2760	# get handled first
1988	my $queue = delete $ns->{query_queue}	2761	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2762	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2763
1991	(shift @$queue)->[1]->($msg);	2764	(shift @$queue)->[1]->($msg);
		2765	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2766
1993	push @{ $ns->{query_queue} }, @$queue;	2767	push @{ $ns->{query_queue} }, @$queue;
1994		2768
1995	if (@{ $ns->{query_queue} } == @$queue) {	2769	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2770	if (@$queue) {
…		…
1998	} else {	2772	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2774	}
2001	}	2775	}
2002	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2003	);	2803	);
2004		2804
2005	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2006		2806
2007	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2050		2850
2051	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2052		2852
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2054		2858
2055	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2056		2860
2057	=pod	2861	=pod
2058		2862
2059	The following fucntions and emthods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2060		2864
2061	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2062	cf::object::player player	2869	cf::object::player
2063	cf::player peaceful	2870	player
2064	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2065		2877
2066	=cut	2878	=cut
2067		2879
2068	for (	2880	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2073	) {	2887	) {
2074	no strict 'refs';	2888	no strict 'refs';
…		…
2145	=back	2959	=back
2146		2960
2147	=cut	2961	=cut
2148		2962
2149	#############################################################################	2963	#############################################################################
		2964	# the server's init and main functions
2150		2965
2151	=head2 EXTENSION DATABASE SUPPORT	2966	sub load_facedata($) {
		2967	my ($path) = @_;
2152		2968
2153	Crossfire maintains a very simple database for extension use. It can	2969	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	2970	# for this (global event?)
2155	excludes objects.	2971	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		2972
2157	The parameter C<$family> should best start with the name of the extension	2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		2974
2160	=over 4	2975	warn "loading facedata from $path\n";
2161		2976
2162	=item $hashref = cf::db_get $family	2977	my $facedata;
		2978	0 < aio_load $path, $facedata
		2979	or die "$path: $!";
2163		2980
2164	Return a hashref for use by the extension C<$family>, which can be	2981	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		2982
2168	=item $value = cf::db_get $family => $key	2983	$facedata->{version} == 2
		2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		2985
2170	Returns a single value from the database	2986	# patch in the exptable
2171		2987	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	2988	type => FT_RSRC,
2173		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2990	};
		2991	cf::cede_to_tick;
2200		2992
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	2993	{
		2994	my $faces = $facedata->{faceinfo};
2212		2995
2213	my $dirty;	2996	while (my ($face, $info) = each %$faces) {
		2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
		3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		3002
2215	sub db_sync() {	3003	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3004	}
2254	);
2255	}
2256		3005
2257	#############################################################################	3006	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3007	next unless $info->{smooth};
		3008	my $idx = cf::face::find $face
		3009	or next;
		3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
		3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3013	} else {
		3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3015	}
2259		3016
2260	sub cfg_load {	3017	cf::cede_to_tick;
		3018	}
		3019	}
		3020
		3021	{
		3022	my $anims = $facedata->{animinfo};
		3023
		3024	while (my ($anim, $info) = each %$anims) {
		3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3026	cf::cede_to_tick;
		3027	}
		3028
		3029	cf::anim::invalidate_all; # d'oh
		3030	}
		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
		3079	}
		3080
		3081	1
		3082	}
		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
		3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
		3097	load_resource_file "$MAPDIR/regions"
		3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
		3104	}
		3105
		3106	sub reload_facedata {
		3107	load_facedata "$DATADIR/facedata"
		3108	or die "unable to load facedata\n";
		3109	}
		3110
		3111	sub reload_archetypes {
		3112	load_resource_file "$DATADIR/archetypes"
		3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
		3119	}
		3120
		3121	sub reload_treasures {
		3122	load_resource_file "$DATADIR/treasures"
		3123	or die "unable to load treasurelists\n";
		3124	}
		3125
		3126	sub reload_resources {
		3127	warn "reloading resource files...\n";
		3128
		3129	reload_regions;
		3130	reload_facedata;
		3131	#reload_archetypes;#d#
		3132	reload_archetypes;
		3133	reload_treasures;
		3134
		3135	warn "finished reloading resource files\n";
		3136	}
		3137
		3138	sub init {
		3139	reload_resources;
		3140	}
		3141
		3142	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3144	or return;
2263		3145
2264	local $/;	3146	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2266		3148
…		…
2285	(async {	3167	(async {
2286	Event::one_event;	3168	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2288	};	3170	};
2289		3171
2290	cfg_load;	3172	reload_config;
2291	db_load;	3173	db_init;
2292	load_extensions;	3174	load_extensions;
2293		3175
2294	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2295	Event::loop;	3177	Event::loop;
2296	}	3178	}
…		…
2311	},	3193	},
2312	);	3194	);
2313	}	3195	}
2314	}	3196	}
2315		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2316	sub emergency_save() {	3236	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2318		3238
2319	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2320		3240
…		…
2335	my $map = $cf::MAP{$path} or next;	3255	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3256	$map->valid or next;
2337	$map->save;	3257	$map->save;
2338	}	3258	}
2339	warn "end emergency map save\n";	3259	warn "end emergency map save\n";
		3260
		3261	warn "begin emergency database checkpoint\n";
		3262	BDB::db_env_txn_checkpoint $DB_ENV;
		3263	warn "end emergency database checkpoint\n";
2340	};	3264	};
2341		3265
2342	warn "leave emergency perl save\n";	3266	warn "leave emergency perl save\n";
2343	}	3267	}
2344		3268
		3269	sub post_cleanup {
		3270	my ($make_core) = @_;
		3271
		3272	warn Carp::longmess "post_cleanup backtrace"
		3273	if $make_core;
		3274	}
		3275
2345	sub reload() {	3276	sub do_reload_perl() {
2346	# can/must only be called in main	3277	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3278	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3279	warn "can only reload from main coroutine";
2349	return;	3280	return;
2350	}	3281	}
2351		3282
2352	warn "reloading...";	3283	warn "reloading...";
2353		3284
2354	warn "cancelling server ticker";	3285	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3286
		3287	cf::sync_job {
		3288	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3289	cf::emergency_save;
		3290	cf::write_runtime; # external watchdog should not bark
2358		3291
2359	eval {	3292	warn "syncing database to disk";
		3293	BDB::db_env_txn_checkpoint $DB_ENV;
		3294
2360	# if anything goes wrong in here, we should simply crash as we already saved	3295	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3296
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3297	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3298	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3299	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3300	}
2369		3301
2370	warn "flushing outstanding aio requests";	3302	warn "flushing outstanding aio requests";
2371	for (;;) {	3303	for (;;) {
		3304	BDB::flush;
2372	IO::AIO::flush;	3305	IO::AIO::flush;
2373	Coro::cede;	3306	Coro::cede;
2374	last unless IO::AIO::nreqs;	3307	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3308	warn "iterate...";
2376	}	3309	}
		3310
		3311	++$RELOAD;
2377		3312
2378	warn "cancelling all extension coros";	3313	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3314	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3315	%EXT_CORO = ();
2381		3316
2382	warn "removing commands";	3317	warn "removing commands";
2383	%COMMAND = ();	3318	%COMMAND = ();
2384		3319
2385	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2387		3323
2388	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2391		3327
…		…
2421	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3359
2424	warn "unloading cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2426		3363
2427	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3365	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2430		3367
…		…
2433	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2434	require cf;	3371	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3373
2437	warn "loading config and database again";	3374	warn "loading config and database again";
2438	cf::cfg_load;	3375	cf::reload_config;
2439	cf::db_load;
2440		3376
2441	warn "loading extensions";	3377	warn "loading extensions";
2442	cf::load_extensions;	3378	cf::load_extensions;
2443		3379
2444	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3381	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3382	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3383	reattach $_ for values %MAP;
		3384	warn "reattaching attachments to players";
		3385	reattach $_ for values %PLAYER;
2448		3386
2449	warn "restarting server ticker";	3387	warn "leaving sync_job";
2450		3388
2451	$TICK_WATCHER->start;	3389	1
2452	};	3390	} or do {
2453
2454	if ($@) {
2455	warn $@;	3391	warn $@;
2456	warn "error while reloading, exiting.";	3392	warn "error while reloading, exiting.";
2457	exit 1;	3393	exit 1;
2458	}	3394	};
2459		3395
2460	warn "reloaded";	3396	warn "reloaded";
2461	};	3397	};
2462		3398
2463	our $RELOAD_WATCHER; # used only during reload	3399	our $RELOAD_WATCHER; # used only during reload
2464		3400
		3401	sub reload_perl() {
		3402	# doing reload synchronously and two reloads happen back-to-back,
		3403	# coro crashes during coro_state_free->destroy here.
		3404
		3405	$RELOAD_WATCHER ||= Event->timer (
		3406	reentrant => 0,
		3407	after => 0,
		3408	data => WF_AUTOCANCEL,
		3409	cb => sub {
		3410	do_reload_perl;
		3411	undef $RELOAD_WATCHER;
		3412	},
		3413	);
		3414	}
		3415
2465	register_command "reload" => sub {	3416	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3417	my ($who, $arg) = @_;
2467		3418
2468	if ($who->flag (FLAG_WIZ)) {	3419	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3420	$who->message ("reloading server.");
2470		3421	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3422	}
2484	};	3423	};
2485		3424
2486	unshift @INC, $LIBDIR;	3425	unshift @INC, $LIBDIR;
2487		3426
2488	my $bug_warning = 0;	3427	my $bug_warning = 0;
2489		3428
		3429	our @WAIT_FOR_TICK;
		3430	our @WAIT_FOR_TICK_BEGIN;
		3431
		3432	sub wait_for_tick {
		3433	return unless $TICK_WATCHER->is_active;
		3434	return if $Coro::current == $Coro::main;
		3435
		3436	my $signal = new Coro::Signal;
		3437	push @WAIT_FOR_TICK, $signal;
		3438	$signal->wait;
		3439	}
		3440
		3441	sub wait_for_tick_begin {
		3442	return unless $TICK_WATCHER->is_active;
		3443	return if $Coro::current == $Coro::main;
		3444
		3445	my $signal = new Coro::Signal;
		3446	push @WAIT_FOR_TICK_BEGIN, $signal;
		3447	$signal->wait;
		3448	}
		3449
		3450	my $min = 1e6;#d#
		3451	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3452	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3453	reentrant => 0,
2492	parked => 1,	3454	parked => 1,
2493	prio => 0,	3455	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3456	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3460	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3461	unless ++$bug_warning > 10;
2500	return;	3462	return;
2501	}	3463	}
2502		3464
2503	$NOW = Event::time;	3465	$NOW = $tick_start = Event::time;
2504		3466
2505	cf::server_tick; # one server iteration	3467	cf::server_tick; # one server iteration
		3468
		3469	0 && sync_job {#d#
		3470	for(1..10) {
		3471	my $t = Event::time;
		3472	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3473	or die;
		3474
		3475	$map->width (50);
		3476	$map->height (50);
		3477	$map->alloc;
		3478	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3479	my $t = Event::time - $t;
		3480
		3481	#next unless $t < 0.0013;#d#
		3482	if ($t < $min) {
		3483	$min = $t;
		3484	}
		3485	$avg = $avg * 0.99 + $t * 0.01;
		3486	}
		3487	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3488	exit 0;
		3489	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3490	};
		3491
2506	$RUNTIME += $TICK;	3492	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3493	$NEXT_TICK += $TICK;
2508		3494
2509	$WAIT_FOR_TICK->broadcast;	3495	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3496	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3497	Coro::async_pool {
2512	Event::sweep;	3498	write_runtime
2513	Coro::cede_notself;	3499	or warn "ERROR: unable to write runtime file: $!";
		3500	};
2514		3501	}
		3502
2515	# my $AFTER = Event::time;	3503	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3504	# warn $AFTER - $NOW;#d#
2517		3505
		3506	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3507	$sig->send;
		3508	}
		3509	while (my $sig = shift @WAIT_FOR_TICK) {
		3510	$sig->send;
		3511	}
		3512
		3513	$NOW = Event::time;
		3514
2518	# if we are delayed by four ticks or more, skip them all	3515	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3516	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3517
2521	$TICK_WATCHER->at ($NEXT_TICK);	3518	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3519	$TICK_WATCHER->start;
		3520
		3521	$LOAD = ($NOW - $tick_start) / $TICK;
		3522	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3523
		3524	_post_tick;
		3525
		3526
2523	},	3527	},
2524	);	3528	);
2525		3529
		3530	{
		3531	BDB::min_parallel 8;
		3532	BDB::max_poll_time $TICK * 0.1;
		3533	$BDB_POLL_WATCHER = Event->io (
		3534	reentrant => 0,
		3535	fd => BDB::poll_fileno,
		3536	poll => 'r',
		3537	prio => 0,
		3538	data => WF_AUTOCANCEL,
		3539	cb => \&BDB::poll_cb,
		3540	);
		3541
		3542	BDB::set_sync_prepare {
		3543	my $status;
		3544	my $current = $Coro::current;
		3545	(
		3546	sub {
		3547	$status = $!;
		3548	$current->ready; undef $current;
		3549	},
		3550	sub {
		3551	Coro::schedule while defined $current;
		3552	$! = $status;
		3553	},
		3554	)
		3555	};
		3556
		3557	unless ($DB_ENV) {
		3558	$DB_ENV = BDB::db_env_create;
		3559
		3560	cf::sync_job {
		3561	eval {
		3562	BDB::db_env_open
		3563	$DB_ENV,
		3564	$BDBDIR,
		3565	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3566	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3567	0666;
		3568
		3569	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3570
		3571	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3572	| BDB::LOG_AUTOREMOVE, 1);
		3573	$DB_ENV->set_lk_detect;
		3574	};
		3575
		3576	cf::cleanup "db_env_open(db): $@" if $@;
		3577	};
		3578	}
		3579
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
		3600	}
		3601
		3602	{
		3603	IO::AIO::min_parallel 8;
		3604
		3605	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3606	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3607	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3608	reentrant => 0,
		3609	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3610	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3611	poll => 'r',
2533	prio => 6,	3612	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2536	);	3614	);
		3615	}
2537		3616
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3617	my $_log_backtrace;
2539	reentrant => 0,	3618
2540	data => WF_AUTOCANCEL,	3619	sub _log_backtrace {
2541	after => 1,	3620	my ($msg, @addr) = @_;
2542	interval => 10,	3621
2543	prio => 6, # keep it lowest so it acts like a watchdog	3622	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3623
2545	write_runtime	3624	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3652	}
2548	);	3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
2549		3657
2550	END { cf::emergency_save }	3658	END { cf::emergency_save }
2551		3659
2552	1	3660	1
2553		3661

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